Pumpkin Boneyard (Newer Super Mario Bros. Wii)

Pumpkin Boneyard is the sixth world. It is haunted, eerie, and features pumpkins, eerie fog, haunted structures, ghostly beings, a horric moon, and a gloomy horizon.Its also based on the holiday of Halloween.
Enemies common to Pumpkin Boneyard include Boos and Dry Bones. The bones of Koopas can also be found buried in graves.